(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COPOLÍMEROS DE ETILENO-PROPILENO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005007

Type

Invention Patent

Filing

10/05/1990

Publication

09/10/1991

Progress at the INPI

  1. Filing10/05/90
  2. Publication09/10/91
  3. Examination12/01/92
  4. Allowance03/26/96
  5. Grant03/25/97
  6. Expired06/01/10

The letters patent expired on 06/01/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enimont Anic S.r.l.

IT

Inventors

E. L. (pessoa física)

IT

F. M. (pessoa física)

IT

M. M. (pessoa física)

IT

R. I. (pessoa física)

IT

S. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21 935 A/89 · 10/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/10/2005

06/01/2010

RPI 2056

Concessão da patente

#16.1

03/25/1997

RPI 1373

Deferimento

#9.1

03/26/1996

RPI 1321

Exigência - art. 36 da LPI

#6.1

09/19/1995

RPI 1294

Solicitação de exame técnico

#4.1

12/01/1992

RPI 1148

Publicação do pedido de patente

#3.1

09/10/1991

RPI 1084

Pedido de patente depositado

#2.1

04/09/1991

RPI 1062

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.